2005 Audi S4 vs. 1971 Audi 100
To start off, 2005 Audi S4 is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Audi 100. In addition, the cost of maintenance, including insurance, on 1971 Audi 100 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 261 more horse power than 1971 Audi 100. (79 HP @ 5000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1971 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 685 kg more than 1971 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 274 more torque (in Nm) than 1971 Audi 100. (136 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Audi 100.
Compare all specifications:
| 2005 Audi S4 | 1971 Audi 100 | |
| Make | Audi | Audi |
| Model | S4 | 100 |
| Year Released | 2005 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1760 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 79 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 410 Nm | 136 Nm |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1735 kg | 1050 kg |
| Vehicle Length | 4550 mm | 4590 mm |
| Vehicle Width | 1770 mm | 1730 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2690 mm |
